4. A) Reduce the given circuit to the fewest possible components thru series/parallel combinations B) Determine Vx if all resistors are 10k, all capacitors are 50 μF and all inductors are 1mH R ННЕ R R 9 V 55104 BASIC ELECTRICAL ENGINEERIN يقلل R R
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- A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?You are an electrician working in an industrial plant. You discover that the problem with a certain machine is a defective capacitor. The capacitor is connected to a 240-volt AC circuit. The information on the capacitor reveals that it has a capacitance value of 10 mF and a voltage rating of 240 VAC. The only 10-mF AC capacitor in the storeroom is marked with a voltage rating of 350 WVDC. Can this capacitor be used to replace the defective capacitor? Explain your answer.Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?
- You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors with a 480-VAC rating. However, you find two capacitors rated at 50 F and 370 VAC. Can these two capacitors be connected in such a manner that they can replace the defective capacitor? If yes, explain how they are connected and why the capacitors will not be damaged by the lower voltage rating. If no, explain why they cannot be used without damaging the capacitor.An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a voltage drop of 65 volts. What is the capacitance of the capacitor?Using the series circuit in Figure 3 consisting of a voltage source V, the resistor R and the fully uncharged capacitor C, how to find the value of the capacitance C considering as known data the time constant of the circuit T and the value of the resistor R? V ww R
- An inductance coil consumes 500W of power at 10A and 110V and 60HZ. Determine the resistance and the inductance of the coilDescribe the behavior of the voltage across the resistor with time as thecapacitor charges. Explain the reason for this behavior.2 The figure is a graph of ... 5 (5 Points) Current Voltage the current across a voltage as a function of the potential difference through it the resistance as a function of the current across a component the current through a component as a function of the voltage across it All three of the above (a), (b), and (c) are true None of the above (a), (b), or (c) is true
- A 500 nF capacitor is connected in series with a 100 kohm resistor and the circuit is connected to a 50V, d.c. supply. Calculate the initial value of current flowing, the value of current 150 ms after connection, the value of capacitor voltage 80 ms after connection, and the time after connection when the resistor voltage is 35 V.5. An alternating current bridge is arranged as follows: The arm BC and DA consists of non-inductive resistance of 800 Q each. A balance is obtained when resistances of the arms DE and CD of non-inductive variable resistances of 200 N, 1k n respectively. The arm EC of a capacitor of 1 µF capacitance. The alternating current source is connected to A and C and the telephone receiver to B and E. Calculate the resistance and inductance of arm AB. Also find Q factor, when supply frequency is 1500HZ.A series R–L–C circuit comprises a 5µF capacitor, a 4ohm resistor and a variable inductance L. The supply voltage is 10∠0◦ V at a frequency of 159.1 Hz. The inductance is adjusted until the p.d. across the 4 ohm resistanceis a maximum. Determine for this condition (a) the value of inductance, (b) the p.d. across each component and (c) the Q-factor of the circuit.